Climatological Report (Daily)
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDUS43 KLOT 180643
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT MON MAY 18 2015


...................................

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    153 PM  91    1934  72     11       60
  MINIMUM         67    542 AM  32    1930  49     18       36
  AVERAGE         75                        60     15       48

PRECIPITATION (IN)
  YESTERDAY        T             2.25 1969   0.13  -0.13     0.00
  MONTH TO DATE    2.54                      2.02   0.52     1.83
  SINCE MAR 1      6.96                      7.69  -0.73     5.73
  SINCE JAN 1      8.88                     10.47  -1.59     9.47

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE MAR 1      7.6                       5.7    1.9      9.4
  SINCE JUL 1     35.5                      36.7   -1.2     56.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6       17
  MONTH TO DATE   85                       138    -53      172
  SINCE MAR 1   1435                      1476    -41     1751
  SINCE JUL 1   6881                      6478    403     7643

 COOLING
  YESTERDAY       10                         1      9        0
  MONTH TO DATE   31                        15     16       20
  SINCE MAR 1     31                        23      8       20
  SINCE JAN 1     31                        23      8       20
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    17.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1200 AM
 LOWEST     48           600 PM
 AVERAGE    68

..........................................................


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1934
 MINIMUM TEMPERATURE (F)   49        31      2002


SUNRISE AND SUNSET
MAY 18 2015...........SUNRISE   533 AM CDT   SUNSET   813 PM CDT
MAY 19 2015...........SUNRISE   532 AM CDT   SUNSET   814 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.